Sir Edwin Landseer Lutyens, OMKCIEPRAFRIBA (; ; 29 March 1869 – 1 January 1944), was a British architect who is known for imaginatively adapting traditional architectural styles to the requirements of his era. He designed many English country houses.

He has been referred to as "the greatest British architect" and is known best for having an instrumental role in designing and building a section of the metropolis of Delhi, known as New Delhi, which would later on serve as the seat of the Government of India. In recognition of his contribution, New Delhi is also known as "Lutyens' Delhi". In collaboration with Sir Herbert Baker, he was also the main architect of several monuments in New Delhi such as the India Gate; he also designed Viceroy's House, which is now known as the Rashtrapati Bhavan.